When someone posted a blood type test kit on a local Buy Nothing Facebook group in Queens, NY, they may have wondered if anybody would want it.
Someone did.
“I think it was leftover from one of those food diet things where you find out what’s best to eat for your blood type,” said Sheri Sayles, who responded to the post and picked up the test kit from her neighbor.
This transaction was part of the gift economy — a way to exchange random items you don’t want with your neighbors who might have a use for them. It’s all
